DS474Qi Quad Beam Indoor/Outdoor Photoelectric Detector
The DS474Qi is a quad-beam photoelectric detector designed for indoor and outdoor applications. Consisting of separate transmitter and receiver, it is designed to activate an alarm when an intruder passes within the direct line of sight between the transmitter and the receiver. With unique features such as interlocked upper and lower beams, signal voltage LED, and selectable environmental discrimination circuitry, this detector is extremely easy to install and reliable under many different installation circumstances. Eight field selectable frequencies allow for multiple unit applications without the concern of cross talk.
Special Order: Usually ships in 4 to 6 days
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